added pdf.js to add pdf support.

Pipfile

@@ -11,7 +11,6 @@ gunicorn = "*"
 django-recaptcha2 = "*"
 django-bootstrap4 = "*"
 dj-database-url = "*"
-pypdf2 = "*"
 pypdf4 = "*"
 
 [requires]

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "548d0f8003c2238f35176fd522fcca7d6108c2c9146f6cb0320660e6bb0212cc"
+            "sha256": "b51288c5b15f6ce2fd3708f36c5872bdb0d37775f0cbe9d23193a32f4c87b34a"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -92,13 +92,6 @@
             ],
             "version": "==2.9"
         },
-        "pypdf2": {
-            "hashes": [
-                "sha256:e28f902f2f0a1603ea95ebe21dff311ef09be3d0f0ef29a3e44a932729564385"
-            ],
-            "index": "pypi",
-            "version": "==1.26.0"
-        },
         "pypdf4": {
             "hashes": [
                 "sha256:7c932441146d205572f96254d53c79ea2c30c9e11df55a5cf87e056c7b3d7f89"

static/pdfjs/build/pdf.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://pdfjs-dist/build/pdf/webpack/universalModuleDefinition","webpack://pdfjs-dist/build/pdf/webpack/bootstrap","webpack://pdfjs-dist/build/pdf/src/pdf.js","webpack://pdfjs-dist/build/pdf/src/shared/util.js","webpack://pdfjs-dist/build/pdf/src/shared/compatibility.js","webpack://pdfjs-dist/build/pdf/src/shared/global_scope.js","webpack://pdfjs-dist/build/pdf/src/shared/is_node.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/es/string/starts-with.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/modules/es.string.starts-with.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/export.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/global.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-get-own-property-descriptor.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/descriptors.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/fails.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-property-is-enumerable.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/create-property-descriptor.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/to-indexed-object.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/indexed-object.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/classof-raw.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/require-object-coercible.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/to-primitive.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/is-object.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/has.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/ie8-dom-define.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/document-create-element.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/hide.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-define-property.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/an-object.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/redefine.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/shared.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/set-global.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/is-pure.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/function-to-string.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/internal-state.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/native-weak-map.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/shared-key.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/uid.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/hidden-keys.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/copy-constructor-properties.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/own-keys.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/get-built-in.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/path.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-get-own-property-names.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-keys-internal.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/array-includes.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/to-length.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/to-integer.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/to-absolute-index.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/enum-bug-keys.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/object-get-own-property-symbols.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/is-forced.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/not-a-regexp.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/is-regexp.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/well-known-symbol.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/native-symbol.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/correct-is-regexp-logic.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/entry-unbind.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/bind-context.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/internals/a-function.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/es/string/ends-with.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/modules/es.string.ends-with.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/es/string/includes.js","webpack://pdfjs-dist/build/pdf/node_modules/core-js/modules/es.string.includes.js","webpLine truncated

static/pdfjs/build/pdf.worker.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://pdfjs-dist/build/pdf.worker/webpack/universalModuleDefinition","webpack://pdfjs-dist/build/pdf.worker/webpack/bootstrap","webpack://pdfjs-dist/build/pdf.worker/src/pdf.worker.js","webpack://pdfjs-dist/build/pdf.worker/src/core/worker.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/@babel/runtime/regenerator/index.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/@babel/runtime/node_modules/regenerator-runtime/runtime.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/webpack/buildin/module.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/util.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/compatibility.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/global_scope.js","webpack://pdfjs-dist/build/pdf.worker/src/shared/is_node.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/es/string/starts-with.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/modules/es.string.starts-with.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/export.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/global.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-get-own-property-descriptor.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/descriptors.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/fails.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-property-is-enumerable.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/create-property-descriptor.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/to-indexed-object.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/indexed-object.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/classof-raw.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/require-object-coercible.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/to-primitive.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/is-object.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/has.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/ie8-dom-define.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/document-create-element.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/hide.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-define-property.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/an-object.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/redefine.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/shared.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/set-global.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/is-pure.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/function-to-string.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/internal-state.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/native-weak-map.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/shared-key.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/uid.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/hidden-keys.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/copy-constructor-properties.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/own-keys.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/get-built-in.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/path.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-get-own-property-names.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-keys-internal.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/array-includes.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/to-length.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/to-integer.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/to-absolute-index.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/enum-bug-keys.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/object-get-own-property-symbols.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/is-forced.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/not-a-regexp.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/is-regexp.js","webpack://pdfjs-dist/build/pdf.worker/node_modules/core-js/internals/well-known-symbol.js","webpack://pdLine 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